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TEOTITLAN, OAXACA, MEXICO - JULY 20: Delphina Hernandez carries her granddaughter, Brisa Martinez Ruiz, 2, alongside her grandson Edgar, 6. The family lives on very little money, and in addition to her son-in-law's income as a construction worker, Delphina and her daughter make money picking and selling chepil, an herb that grows locally in Oaxaca. Photo by Sara Naomi Lewkowicz/Getty Images Reportage